“Liturgical Phenomenology of the Christian Art: Sacred Music, Iconography and Liturgical Text in the Regulations of the Ecumenical Councils and the Textimony of the Fathers”, FThS, no. 2, pp. 17–52, May 2025, Accessed: Dec. 17, 2025. [Online]. Available: https://periodicals.uni-sofia.bg/index.php/forum-theologicum-sardicense/article/view/441